#!/usr/bin/env node
/* eslint-disable no-console */

'use strict';

require('colorful').colorful();
const gulp = require('gulp');
const program = require('commander');

program.option('-c --npm-tag <type>', 'add --npm-tag=xxx');

program.on('--help', () => {
    console.log('  Usage:'.to.bold.blue.color);
    console.log();
});

program.parse(process.argv);

function runTask(toRun) {
    const metadata = { task: toRun };
    // Gulp >= 4.0.0 (doesn't support events)
    const taskInstance = gulp.task(toRun);
    if (taskInstance === undefined) {
        gulp.emit('task_not_found', metadata);
        return;
    }
    const start = process.hrtime();
    gulp.emit('task_start', metadata);
    try {
        taskInstance.apply(gulp);
        metadata.hrDuration = process.hrtime(start);
        gulp.emit('task_stop', metadata);
        gulp.emit('stop');
    } catch (err) {
        err.hrDuration = process.hrtime(start);
        err.task = metadata.task;
        gulp.emit('task_err', err);
    }
}

const task = program.args[0];

if (!task) {
    program.help();
} else {
    console.log('tools run', task);

    require('../gulpfile');

    runTask(task);
}
